Stretching can Hurt Athleticism Reported
September 30, 2004
(Ivanhoe Newswire)–A new study shows stretching immediately before exercise can actually hinder performance. The study shows stretching is only helpful if it’s done regularly.
Researchers in Montreal collected and analyzed previous studies about the effects of stretching on sport performance. Rather than assessing performance in actual athletic events, the studies focused on stretching in specific tests related to sport performance.
The analysis included 23 studies evaluating the effects of stretching immediately before exercise, or acute stretching. Nearly every study found reduced performance on various tests, including muscle force, torque, and jumping height.
Researchers also studied the effects of regular stretching programs. They found performance improved in tests of muscle force production and contraction velocity, suggesting the benefits resulted from muscle strengthening. Performance did not worsen in any of the tests paired with regular stretching.
Researchers conclude, “Acute stretching does not seem to improve sport performance. Pre-exercise stretching may even reduce performance, probably because of muscle damage caused at the time of the stretch. If one stretches, one should stretch after exercise or at a time not related to exercise.”
Researchers also say recent studies have shown acute stretching does not decrease injury-related injuries, as regular stretching potentially can.
SOURCE: Clinical Journal of Sports Medicine, 2004;14:267-2
